An American agent disappears after a scuba diving reconnaissance mission in Corsica. The Secret Service sends agent code name OSS 117 to investigate.

An FBI agent works to arrest David Griffin, a murderous drug trafficker, and protect Juliette, the beautiful widow of Griffin’s late partner.

Therese, a café owner, mourns the mysterious disappearance of her husband sixteen years earlier. A tramp arrives in the town and she believes him to be her husband. But he…